diff options
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etb10.c | 81 |
1 files changed, 38 insertions, 43 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c index acbce79934d6..8bf4429e1fb3 100644 --- a/drivers/hwtracing/coresight/coresight-etb10.c +++ b/drivers/hwtracing/coresight/coresight-etb10.c @@ -579,47 +579,29 @@ static const struct file_operations etb_fops = { .llseek = no_llseek, }; -static ssize_t status_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - unsigned long flags; - u32 etb_rdr, etb_sr, etb_rrp, etb_rwp; - u32 etb_trg, etb_cr, etb_ffsr, etb_ffcr; - struct etb_drvdata *drvdata = dev_get_drvdata(dev->parent); - - pm_runtime_get_sync(drvdata->dev); - spin_lock_irqsave(&drvdata->spinlock, flags); - CS_UNLOCK(drvdata->base); - - etb_rdr = readl_relaxed(drvdata->base + ETB_RAM_DEPTH_REG); - etb_sr = readl_relaxed(drvdata->base + ETB_STATUS_REG); - etb_rrp = readl_relaxed(drvdata->base + ETB_RAM_READ_POINTER); - etb_rwp = readl_relaxed(drvdata->base + ETB_RAM_WRITE_POINTER); - etb_trg = readl_relaxed(drvdata->base + ETB_TRG); - etb_cr = readl_relaxed(drvdata->base + ETB_CTL_REG); - etb_ffsr = readl_relaxed(drvdata->base + ETB_FFSR); - etb_ffcr = readl_relaxed(drvdata->base + ETB_FFCR); - - CS_LOCK(drvdata->base); - spin_unlock_irqrestore(&drvdata->spinlock, flags); - - pm_runtime_put(drvdata->dev); - - return sprintf(buf, - "Depth:\t\t0x%x\n" - "Status:\t\t0x%x\n" - "RAM read ptr:\t0x%x\n" - "RAM wrt ptr:\t0x%x\n" - "Trigger cnt:\t0x%x\n" - "Control:\t0x%x\n" - "Flush status:\t0x%x\n" - "Flush ctrl:\t0x%x\n", - etb_rdr, etb_sr, etb_rrp, etb_rwp, - etb_trg, etb_cr, etb_ffsr, etb_ffcr); - - return -EINVAL; -} -static DEVICE_ATTR_RO(status); +#define coresight_etb10_simple_func(name, offset) \ + coresight_simple_func(struct etb_drvdata, name, offset) + +coresight_etb10_simple_func(rdp, ETB_RAM_DEPTH_REG); +coresight_etb10_simple_func(sts, ETB_STATUS_REG); +coresight_etb10_simple_func(rrp, ETB_RAM_READ_POINTER); +coresight_etb10_simple_func(rwp, ETB_RAM_WRITE_POINTER); +coresight_etb10_simple_func(trg, ETB_TRG); +coresight_etb10_simple_func(ctl, ETB_CTL_REG); +coresight_etb10_simple_func(ffsr, ETB_FFSR); +coresight_etb10_simple_func(ffcr, ETB_FFCR); + +static struct attribute *coresight_etb_mgmt_attrs[] = { + &dev_attr_rdp.attr, + &dev_attr_sts.attr, + &dev_attr_rrp.attr, + &dev_attr_rwp.attr, + &dev_attr_trg.attr, + &dev_attr_ctl.attr, + &dev_attr_ffsr.attr, + &dev_attr_ffcr.attr, + NULL, +}; static ssize_t trigger_cntr_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -649,10 +631,23 @@ static DEVICE_ATTR_RW(trigger_cntr); static struct attribute *coresight_etb_attrs[] = { &dev_attr_trigger_cntr.attr, - &dev_attr_status.attr, NULL, }; -ATTRIBUTE_GROUPS(coresight_etb); + +static const struct attribute_group coresight_etb_group = { + .attrs = coresight_etb_attrs, +}; + +static const struct attribute_group coresight_etb_mgmt_group = { + .attrs = coresight_etb_mgmt_attrs, + .name = "mgmt", +}; + +const struct attribute_group *coresight_etb_groups[] = { + &coresight_etb_group, + &coresight_etb_mgmt_group, + NULL, +}; static int etb_probe(struct amba_device *adev, const struct amba_id *id) { |